Flooring.



' PATENTEDAPR. 30, 1907.

J. MOINTYRE.

FLOORING.

APPLICATION FILED MAYB, 1906.

75292 anal:

[aw/afar. mm 71 W raw 6 W &

UNITED STATES PATENT OFFICE.

JAMES MoINTYRE, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO JAMES EDGAR MOINTYRE, OF BOSTON, MASSACHUSETTS.

FLOORING.

To all whom, it may concern.-

Be it known that 1, JAMES MoIN'rYaE, a citizen of the United States, residing in Boston, in the county of Suffolk and State of Massachusetts, have invented an Improvement in Flooring, of which the following description, in connection with the accompanying drawings, is a specification, like letters on the drawings representing like parts.

This invention relates to a novel construction of matching board, especially designed and adapted for the decks and floors of yacht and other vessels, to obtain a lock-joint water-tight deck or floor without the necessity of calking. The board may also be used to advantage in other constructions, such as buildings, to obtain a smooth and flush surface, and is capable of being more quickly applied and more firmly fastened than matching boards of ordinary construction.

The particular features of this invention will be pointed out in the claims at the end of this specification.

Figure 1 represents in plan view a sufficient portion of a floor or deck laid with boards embodying this invention, to enable it to be understood. Fig. 2, a section on the line 22, Fig. 1. Figs. 3, 4, and 5, end elevations of a sufficient portion of a board to illustrate the method of making my improved matching board, and Fig. 6, a,section similar to Fig. 2, with one of the boards shown in the act of being laid.

Referring to the drawing a represents my improved matching-board, which may be of any desired thickness, and which, in accordance With this invention, is provided on one edge or side with a tongue 12 provided with an upwardly inclined upper face 2, and an up wardly inclined lower face 3 extended from the bottom 4 of the board until it meets the face 2, the inclination of the lower face 3 be ing more acute than the inclination of the face 2. The u per inclined face 2 extends from the straig t edge 5 of the board substantially at or about midway of the thickness of the said board.

The board a on its opposite side or edge 6 is provided with a correspondingly shaped recess 7 having the up er inclined wall 8 and the lower inclined wal 9. The walls 8, 9 of the recess 7 extend inward from the strai ht side or edge 6 of the board at different angles,

Specification of Letters Patent.

Application filed May 3, 1906.

' Patented April 30, 1907.

Serial No 315,103.

the inclination of the lower wall 9 being more acute than the upper wall 8, and the lower wall 9 extending upward from at or near the bottom face 4 of the board.

By reference to Fig. 2 it will be seen that the pointed tongue I) on one side of one board, enters the correspondingly shaped recess 7 on the opposite side of an adjacent board, thereby forming a substantially tight joint with the upper faces of adjacent boards abutting and flush with each other. So also it will be noticed that the pointed tongue I) is of substantial thickness adjacent to the side of the board, thereby offering considerable stock through which the nail 10 indicated by dotted lines in Fig. 2, is driven in order to blind fasten the board in place.

By reference to Fig. 6, will be seen the mode of laying the boards, which may be accomplished expeditiously, the board to be laid being applied to one previously fastened, after the manner shown in Fig. 6 with the upper corner of the side 6 abutting against the side 5 of the previously laid board, and then turned down into the position shown in Fig. 2. In this manner, the boards may be laid in a minimum time.

The joint between adjacent boards may be rendered more effectively water-tight especially whensoft stock used, by providing the straight edge or side above the recess 7 with a compressed portion 12, which swells when wet and engages the straight side or edge 5 of the contiguous board and exerts a pressure on contiguous boards, which serves to effectively engage the tongue of one board with a wall of the recess in the contiguous board, thereby practically forming two water-tight oints between contiguous boards.

The compression may be effected in the board 14 (see Figs. 3 and 4) by means of a suitable tool, which presses the stock in and forms the groove 12. The edge of the board is then cut or removed as indicated by the dotted lines, Fig. 4, to leave the groove shallow, so that the material immediately back of the groove 12 may, when wet, swell and tend to bulge out beyond the side or edge 6 and into firm contact with the side or edge 5 with which it makes a water-tight joint.

I have herein shown the groove 12 as formed in the recessed edge of the board, but I do not desire to limit my invention in this respect, as the groove 12 may be formed in the edge above the tongue.

Claims.

1. A board of the character described, provided on one side with a pointed tongue, and having on its other side an inclined recess corresponding in shape to the tongue, and a compressed portion in the edge above said recess, said tongue having its face adjacent to the compressed portion outwardly and upwardly inclined with relation to the plane of the oint formed by the compressed portion, Eubstantially as and for the purpose speci- 2. A board of the character described, provided on one edge with a tongue and on the other edge with a recess corresponding in shape to said tongue, and having a compressed portion in one edge extended longitudinally thereof, said tongue having its face adjacent to the compressed portion outwardly and upwardly inclined with relation to the plane of the joint formed by the compressed portion, substantially as described.

3. The combination of a plurality of matching boards, each provided on one edge with a pointed tongue and on the other edge with a recess to receive the pointed tongue of a contiguous board, and a compressed portion in the edge of one of said boards co-operating with the contiguous edge of a second board said tongue having its face adjacent to the compressed portion outwardly and upwardly inclined with relation to the plane of the joint formed by the compressed portion.

In testimony whereof, I have signed my name to this specification in the presenceof two subscribing witnesses.

JAMES MGINTYRE. l/Vitnesses:

JAs. H. CHURCHILL, J. MURPHY. 

